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Dr. Heidi Gassner, MD

Oakland, CA

23 Years of Experience

Accepting patients

    Who is Dr. Gassner, Pediatric Endocrinologist in Oakland, CA?

    Dr. Heidi Gassner, MD is a Pediatric Endocrinologist, who primarily practices in Oakland, CA with 2 additional practice locations. She has been practicing for over 23 years and is board certified by the American Board of Pediatrics. Dr. Gassner completed her residency at Univ Ca Sf Sch Of Med, Pediatric Endocrinology Women & Infants Hosp, Neonatal-Perinatal Medicine Baystate Med Ctr, Pediatrics. Dr. Gassner is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Gassner’s office at (510) 752-1000.

    Where did Dr. Gassner go to medical school and complete their residency?

    • Residency: Univ Ca Sf Sch Of Med, Pediatric Endocrinology Women & Infants Hosp, Neonatal-Perinatal Medicine Baystate Med Ctr, Pediatrics

    • Medical School: Wayne State Universtiy School Of Medicine

    Is Dr. Gassner board certified in Pediatric Endocrinologist?

    Yes, Dr. Heidi Gassner, MD is board certified by the American Board of Pediatrics

    What languages does Dr. Gassner speak?

    Dr. Gassner and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Gassner treat?

    As a Pediatric Endocrinologist, Dr. Gassner diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Gassner. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Early Puberty
    • Puberty
    • Central precocious puberty
    • Precocious puberty
    • Puberty at a young age

    ICD-10 Codes:

    • E301: Precocious puberty

    Also known as:

    • Short Stature in Children
    • Growth Disorder
    • Child Growth Problems
    • Dwarfism
    • Growth Retardation

    ICD-10 Codes:

    • R6252: Short stature (child)

    Also known as:

    • Hypothyroidism
    • Congenital Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function
    • Underactive Thyroid at Birth
    • Neonatal Hypothyroidism

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified
    • E031: Congenital hypothyroidism without goiter

    Also known as:

    • Nutrition Counseling
    • Nutrition
    • Dietary advice
    • Nutritional guidance
    • Healthy eating counseling

    ICD-10 Codes:

    • Z713: Dietary counseling and surveillance

    Also known as:

    • Type 1 Diabetes
    • Diabetes Type 1
    • Type 1 diabetes
    • Diabetes Tests & Diagnosis
    • Juvenile Diabetes
    • Insulin-Dependent Diabetes
    • T1D

    ICD-10 Codes:

    • E109: Type 1 diabetes mellitus without complications

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Adrenal Gland Overactivity
    • Congenital Adrenal Hyperplasia (CAH)
    • Adrenal Gland Disorder
    • Birth Defects
    • 21-hydroxylase deficiency
    • 3-beta-hydroxysteroid dehydrogenase deficiency
    • Congenital adrenal hyperplasia due to 11-beta-hydroxylase deficiency
    • Adrenocortical Hyperfunction
    • Excess Adrenal Hormones
    • Adrenal Hyperactivity
    • CAH
    • Adrenogenital Syndrome
    • Enzyme Deficiency Adrenal Disorder

    ICD-10 Codes:

    • E270: Other adrenocortical overactivity
    • E250: Congenital adrenogenital disorders associated with enzyme deficiency

    Also known as:

    • Underactive Pituitary Gland
    • Pituitary Disorder
    • Combined pituitary hormone deficiency
    • Isolated growth hormone deficiency
    • Hypopituitarism
    • Pituitary Hormone Deficiency
    • Low Pituitary Function

    ICD-10 Codes:

    • E230: Hypopituitarism

    Also known as:

    • Graves' Disease
    • Hyperthyroidism
    • Graves' disease
    • Graves Disease
    • Hyperthyroidism (Overactive Thyroid)
    • Hyperthyroidism with Goiter
    • Toxic Diffuse Goiter
    • Overactive Thyroid with Enlarged Gland
    • Overactive Thyroid
    • Thyrotoxicosis
    • High Thyroid Function

    ICD-10 Codes:

    • E0500: Thyrotoxicosis with diffuse goiter without thyrotoxic crisis or storm
    • E0590: Thyrotoxicosis, unspecified without thyrotoxic crisis or storm

    Also known as:

    • Transgender Identity
    • Gender Dysphoria
    • Transsexual Identity
    • Gender Transition

    ICD-10 Codes:

    • F640: Transsexualism

    Also known as:

    • Polycystic Ovary Syndrome (PCOS)
    • Polycystic Ovary Syndrome
    • PCOS
    • Stein-Leventhal Syndrome
    • Polycystic Ovaries

    ICD-10 Codes:

    • E282: Polycystic ovarian syndrome

    Also known as:

    • Osteogenesis Imperfecta
    • Dentinogenesis imperfecta
    • Brittle bone disease
    • OI
    • Fragile bones

    ICD-10 Codes:

    • Q780: Osteogenesis imperfecta

    Also known as:

    • Cushing's Disease
    • Cushing's Syndrome
    • Cushing disease
    • Pituitary Cushing's', 'Hypercortisolism', 'Cushing's Syndrome

    ICD-10 Codes:

    • E240: Pituitary-dependent Cushing's disease

    Also known as:

    • Adolescent Development Checkup
    • Teen Development
    • Teen development exam
    • Puberty checkup
    • Adolescent growth assessment

    ICD-10 Codes:

    • Z003: Encounter for examination for adolescent development state

    Does Dr. Gassner accept my insurance?

    Dr. Gassner accepts most major insurance plans. Important: Please call our office at (510) 752-1000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Gassner accept in Oakland, CA?

    Dr. Gassner in Oakland, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Contra Costa

    • Elevance Health Inc. (formerly Anthem)

    • Health Plan of San Joaquin

    • Partnership Health Plan

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    Where is Dr. Gassner's office located?

    Dr. Heidi Gassner's Primary Practice

    275 W MacArthur Blvd

    Oakland, CA 94611

    (510) 752-1000

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    Dr. Heidi Gassner's Practice 2

    505 Parnassus Ave

    San Francisco, CA 94143

    Get Directions

    Dr. Heidi Gassner's Practice 3

    975 Sereno Dr

    American Canyon, CA 94589

    Get Directions

    What is Dr. Gassner's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Gassner's National Provider Identifier (NPI) number is 1831277557.

    What common questions do patients ask about Dr. Gassner?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gassner

    What is Dr. Heidi Gassner's specialty?

    Dr. Gassner is a Pediatric Endocrinologist near Oakland, CA. A pediatrician specializing in the care of infants, children, and adolescents with diseases caused by abnormalities in the endocrine glands, which produce hormones. This includes conditions such as diabetes mellitus, growth failure, atypical body size for age, early or delayed puberty, congenital abnormalities, and disorders affecting the thyroid, adrenal, and pituitary glands, as well as the genital region. Contact Dr. Gassner to book an appointment today.

    Is this Dr. Heidi Gassner affiliated with a ranked Castle Connolly Top Hospital?

    No, Gassner is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Kaiser Permanente - Oakland Medical Center. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Pediatric Endocrinologist?

    Explore Pediatric Endocrinologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Heidi Gassner accepting new patients in Oakland, CA?

    Yes, Dr. Heidi Gassner is accepting new patients at this time.

    Does Dr. Heidi Gassner offer online booking?

    Please contact Dr. Gassner's office at (510) 752-1000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Heidi Gassner?

    Please contact Dr. Gassner's office at (510) 752-1000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Heidi Gassner have?

    Dr. Heidi Gassner is certified by the American Board of Pediatrics.

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